CVE-2024-26736 - OpenCVE

In the Linux kernel, the following vulnerability has been resolved: afs: Increase buffer size in afs_update_volume_status() The max length of volume->vid value is 20 characters. So increase idbuf[] size up to 24 to avoid overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE. [DH: Actually, it's 20 + NUL, so increase it to 24 and use snprintf()]

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

References

Link	Providers
https://git.kernel.org/stable/c/5c27d85a69fa16a08813ba37ddfb4bbc9a1ed6b5
https://git.kernel.org/stable/c/6e6065dd25b661420fac19c34282b6c626fcd35e
https://git.kernel.org/stable/c/6ea38e2aeb72349cad50e38899b0ba6fbcb2af3d
https://git.kernel.org/stable/c/d34a5e57632bb5ff825196ddd9a48ca403626dfa
https://git.kernel.org/stable/c/d9b5e2b7a8196850383c70d099bfd39e81ab6637
https://git.kernel.org/stable/c/e56662160fc24d28cb75ac095cc6415ae1bda43e
https://git.kernel.org/stable/c/e8530b170e464017203e3b8c6c49af6e916aece1
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
https://lore.kernel.org/linux-cve-announce/2024040359-CVE-2024-26736-284d@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2024-26736
https://www.cve.org/CVERecord?id=CVE-2024-26736

History

No history.

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-04-03T17:00:22.693Z

Updated: 2024-08-02T00:14:12.959Z

Reserved: 2024-02-19T14:20:24.166Z

Link: CVE-2024-26736

Vulnrichment

Updated: 2024-05-23T19:01:22.222Z

NVD

Status : Awaiting Analysis

Published: 2024-04-03T17:15:51.197

Modified: 2024-06-25T22:15:21.543

Link: CVE-2024-26736

Redhat

Severity : Moderate

Publid Date: 2024-04-03T00:00:00Z

Links: CVE-2024-26736 - Bugzilla

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{"bugzilla": {"description": "kernel: afs: Increase buffer size in afs_update_volume_status()", "id": "2273276", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273276"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-121", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nafs: Increase buffer size in afs_update_volume_status()\nThe max length of volume->vid value is 20 characters.\nSo increase idbuf[] size up to 24 to avoid overflow.\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\n[DH: Actually, it's 20 + NUL, so increase it to 24 and use snprintf()]", "A vulnerability was found in the afs_update_volume_status() function in the Linux kernel. This issue could lead to a buffer overflow due to an improperly sized char array that is not large enough to match the corresponding value being placed in it, leading to memory corruption or crashes."], "name": "CVE-2024-26736", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26736\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26736\nhttps://lore.kernel.org/linux-cve-announce/2024040359-CVE-2024-26736-284d@gregkh/T"], "statement": "Red Hat Enterprise Linux 8 and 9 are not affected by this vulnerability.", "threat_severity": "Moderate", "upstream_fix": "kernel 5.4.270, kernel 5.10.211, kernel 5.15.150, kernel 6.1.80, kernel 6.6.19, kernel 6.7.7, kernel 6.8"}